Gunnar Tage Mannerheim

Mobile Climate Control Industries, Inc. designs, manufactures, and installs heating and air-conditioning systems for vehicles. Its products include hvac systems, evaporators, condensers, heaters, defrosters, compressors, plumbing, and piping. The company's products are installed to off road & heavy-duty specialty vehicles, city, intercity, shuttle, school and touring buses. The firm has operations in New York, Paris, London, Madrid, Rome, Berlin, Nordic Europe, and South Africa. Mobile Climate Control Industries was founded by Gunnar Mannerheim in 1983 and is headquartered in Vaughan, Canada.

Mälarvärme Holding AB provides system solutions and services for optimal balance between indoor climate and low operating costs and environmentally friendly energy supply. The company was founded in 2003 and is headquartered in Bromma, Sweden.

Megacon AB designs, develops, manufactures and markets equipment and systems for managing and monitoring electrical supplies and energy in its many diverse forms. The product segments consist of earth leakage, electrical environment and energy management. The company was founded by Peter Stockhaus in 1984 and is headquartered in Bromma, Sweden.

GTM Holding AS provides financial investment services. The company was founded in 2006 and is headquartered in Hønefoss, Norway.

Mannerheim Invest AB provides investment activities and services. The firm offers support and contact network within its portfolio companies such as, financial houses, industry, and technological firms. The was founded by Carl Gustav Fredrik Mannerheim in 2007 and is headquartered in Stockholm, Sweden.

Enaco AB designs, constructs and maintains secure data centers. The company was founded in 1977 and is located in Solna, Sweden.